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Views on switching from 18" wheels to 17"?
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nickbos
 


Member Since: 11 Sep 2018
Location: Cambridgeshire
Posts: 58

United Kingdom 2006 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3
Views on switching from 18" wheels to 17"?

Hi All,

I've got the opportunity to acquire a set of 17" wheels, that I'm told came off of a Disco3 that was scrapped, and I'm after thoughts on the pros and cons of moving to the slightly smaller dia - apart from the obvious that they'll go around more frequently and the tyres'll wear quicker. Anyone done this and noticed any difference in the handling etc?

Ta much in advance.
  
Post #202212925th Jan 2019 8:25 am
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highlands
 


Member Since: 11 Jan 2010
Location: NW Highlands
Posts: 3475

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

The tyres will be 'taller' such that they go round pretty much exactly the same number of times any other 'correct' size wheel/tyre combination does.

So long as you've not got V8 brakes they will fit and they'll give you generally a softer, more wallowy ride due to the higher sidewall (though not all sidewalls flex the same).

I currently have 17s on my D3 HSE with the brakes changed back to standard.
I'll put the 19s or 20s back on come summer, such as it is up here, but prefer the 17s with Wintracs for winter.
 Black 05 TDV6 HSE Auto
Grey 05 TDV6 HSE Auto
54 TDV6 SE Man (killed by me Sad
 
Post #202213225th Jan 2019 8:39 am
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highlands
 


Member Since: 11 Jan 2010
Location: NW Highlands
Posts: 3475

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

As for general pros/cons for road use.
smaller rim with higher sidewall - copes better with potholes/poor roads*, less liable to tramlining (though not a problem I've ever really had in the D3), softer ride, less precise cornering, look more utilitarian/don't look as 'sharp', cheaper tyres**


* and, ahem, bouncing up kerbs
* and easier to fit yourself, if you're into that.
 Black 05 TDV6 HSE Auto
Grey 05 TDV6 HSE Auto
54 TDV6 SE Man (killed by me Sad
 
Post #202213325th Jan 2019 8:48 am
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biskit
 


Member Since: 23 Dec 2009
Location: in my Mancave.
Posts: 1281

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

I preferred the 17" with slightly larger tyres, far better ride. Thumbs Up that was against 19" though. My D3 now sports Brembos so gone for 18" with larger tyres.
 Mantec sump guard.
Prospeed tree slider/steps.
Flack duel battery system.
18"Compomotive/AT3 tyres
Brembo 4pot front brakes 
 
Post #202215425th Jan 2019 10:00 am
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NJSS
 


Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 6761

United Kingdom 2016 Discovery 4 TDV6 Landmark LE Auto Waitomo GreyDiscovery 4

I entirely agree with Highlands & biskit.

When I had a D3 I downsized to 17" after about 9k miles.

I used GG AT tyres and they averaged nearly 50k miles for a set of 4, and had stacks of tread left when I changed them.

I have similarly downsized wheels on my D4.

NJSS
 2016 Discovery 4 Landmark
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t. 
 
Post #202215825th Jan 2019 10:06 am
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DN
D3 Decade 


Member Since: 24 Jun 2006
Location: W.London.
Posts: 1840

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

Compared with 19” rims, I much prefer the softer ride of 17”. But the 17” wheels are not pretty Laughing They won’t turn more frequently or wear tyres out quicker either, because of the change to 70 profile, the rolling circumference will be very close, or the same as, that of standard 18”/19” tyres. Thumbs Up
 

D3 owned from new, and retrofitted by me....Front Fogs, Xenons, h/lamp wash, tow electrics, Cruise Control, smooth leather steering wheel, 19" alloys, P017 brake recall, BAS FBHIC, LR013487 oil pump, AF RRS front lower suspension arms. New Hitachi suspension compressor/ relay. NO WARRANTY for many many years. 
 
Post #202216225th Jan 2019 10:14 am
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LT
 


Member Since: 31 Dec 2005
Location: South West
Posts: 10721

2016 Discovery 4 3.0 TDV6 Landmark LE Auto Santorini BlackDiscovery 4

My preferred choice is 18” rims. For my use, 17”s were just a tad to “wallowy” on corners. The biggest factor though was that I wanted to replace the discs, when they wore out, with V8 ones.
 2006 D3 HSE (Original & still the best)-GONE
2010 D4 HSE (A bit bling)-GONE
2014 D4 HSE (Almost too bling)-GONE
2015 D4 HSE (A heated what?)-GONE
2016 D4 Landmark (Written Off)-GONE
2016 D4 Landmark (Surely the last!) 18" Compomotive PD1881 rims. 
 
Post #202219225th Jan 2019 11:30 am
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davidedwardmawer
 


Member Since: 11 Oct 2012
Location: Gironde
Posts: 165

France 2005 Discovery 3 TDV6 SE Auto Tonga GreenDiscovery 3

I use the original 18" wheels with road tyres (Scorpions) and have a second set of 17" for my mud tyres (KM2's). Works fine.
(Rolling diameter is the same).
 33370 Fargues Saint Hilaire  
Post #20263217th Feb 2019 12:42 pm
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